Home / 624,923.70-862,384.50-338,441.28

Finding the Fourth Proportional to 624,923.70, 862,384.50 and 338,441.28

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Solution

The fourth proportional to 624,923.70, 862,384.50 and 338,441.28 is: 467,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,923.70 : 862,384.50 = 338,441.28 : x
  2. Step 2: Convert to fraction form
    624,923.70/862,384.50 = 338,441.28/x
  3. Step 3: Cross multiply
    624,923.70x = 862,384.50 × 338,441.28
  4. Step 4: Simplify right side
    624,923.70x = 291,866,514,032.16
  5. Step 5: Solve for x
    x = 291,866,514,032.16/624,923.70
  6. Step 6: Final answer
    x = 467,043.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.